Iframe自动适应加载内容高度
最近在做项目的时候,我发现Iframe可以自动适应加载内容高度,觉得挺新奇,想研究一下这段JS。原来是用到meizz(梅花雪)写的JS,真佩服meizz,可以说写JS已经出神入化了。真想认识一下meizz,看能不能通过朋友介绍认识一下,那真是万分荣幸了。好了,该show一下了。
main.htm:
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<html>
<head>
<meta http-equiv='Content-Type' content='text/html; charset=gb2312' />
<meta name='author' content='F.R.Huang(meizz梅花雪)//www.meizz.com' />
<title>iframe自适应加载的页面高度</title>
</head>
<body>
<iframe src="child.htm"></iframe>
</body>
</html>
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child.htm:
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<html>
<head>
<meta http-equiv='Content-Type' content='text/html; charset=gb2312' />
<meta name='author' content='F.R.Huang(meizz梅花雪)//www.meizz.com' />
<title>iframe 自适应其加载的网页(多浏览器兼容)</title>
<script type="text/javascript">
<!--
function iframeAutoFit()
{
var ex;
try
{
if(window!=parent)
{
var a = parent.document.getElementsByTagName("IFRAME");
for(var i=0; i<a.length; i++) //author:meizz
{
if(a[i].contentWindow==window)
{
var h1=0, h2=0;
if(document.documentElement&&document.documentElement.scrollHeight)
{
h1=document.documentElement.scrollHeight;
}
if(document.body) h2=document.body.scrollHeight;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
var h=Math.max(h1, h2);
if(document.all) {h += 4;}
if(window.opera) {h += 1;}
a[i].style.height = h +"px";
}
}
}
}
catch (ex){}
}
if(document.attachEvent)
{
window.attachEvent("onload", iframeAutoFit);
window.attachEvent("onresize", iframeAutoFit);
}
else
{
window.addEventListener('load', iframeAutoFit, false);
window.addEventListener('resize', iframeAutoFit, false);
}
//-->
</script>
</head>
<body>
<table border="1" width="200" style="height: 400px; background-color: yellow">
<tr>
<td>iframe 自适应其加载的网页(多浏览器兼容,支持XHTML)</td>
</tr>
</table>
</body>
</html>
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